<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <span>C页面</span>
    <a href="./a.html">A页面</a>
    <a href="./b.html">B页面</a>
    <a href="./d.html">D页面</a>
  </body>
</html>

